Stop using "Chinese (language name, script/variant name)" as the main name for languages under Sinitic language group

[winstonsung]

Describe the problem

Currently, most languages under Sinitic language group are having "Chinese (language name, script/variant name)"-style names.

However, this would be confusing as:

• We mostly only use "Chinese" to refer "Mandarin"/"Cantonese".
• Only writing "Simplified" does not indicate the difference is based on script (writing system).

For example, gan "Gan" (preferred solution) / "Gan Chinese" (alternative solution) / "Chinese (Gan)" (confusing option)

Describe the solution you would like

• cdo-Hans "Mindong (Simplified Han script)"
• cdo-Hant "Mindong (Traditional Han script)"
• cdo-Latn "Mindong (Latin script)"
• cpx-Hans "Pu–Xian Min (Simplified Han script)"
• cpx-Hant "Pu–Xian Min (Traditional Han script)"
• cpx-Latn "Pu–Xian Min (Latin script)"
• gan-Hans "Gan (Simplified Han script)"
• gan-Hant "Gan (Traditional Han script)"
• hak-Hans "Hakka (Simplified Han script)"
• hak-Hant "Hakka (Traditional Han script)"
• hak-Latn "Hakka (Latin script)"
• hsn "Xiang"
• lzh "Literary Chinese"
• nan-Hant "Hokkien (Traditional Han script)"
• nan-Latn-pehoeji "Hokkien (Pe̍h-ōe-jī)"
• nan-Latn-tailo "Hokkien (Tâi-lô)"
• wuu-Hans "Wu (Simplified Han script)"
• wuu-Hant "Wu (Traditional Han script)"
• yue-Hans "Cantonese (Simplified Han script)"
• yue-Hant "Cantonese (Traditional Han script)"
• zh-Hans "Chinese (Traditional Han script)"
• zh-Hans-SG "Chinese (Traditional Han script, Singapore)"
• zh-Hant "Chinese (Traditional Han script)"
• zh-Hant-HK "Chinese (Traditional Han script, Hong Kong)"
• zh-Latn-CN "Chinese (Hanyu Pinyin, Mainland China)"
• zh-Latn-TW-pinyin "Chinese (Hanyu Pinyin, Taiwan)"
• zh-Latn-TW-tongyong "Chinese (Tongyong Pinyin, Taiwan)"
• zh-Latn-TW-wadegile "Chinese (Wade–Giles, Taiwan)"

Describe alternatives you have considered

• cdo-Hans "Mindong (Simplified Han)"
• cdo-Hant "Mindong (Traditional Han)"
• cdo-Latn "Mindong (Latin)"
• cpx-Hans "Pu–Xian Min (Simplified Han)"
• cpx-Hant "Pu–Xian Min (Traditional Han)"
• cpx-Latn "Pu–Xian Min (Latin)"
• gan-Hans "Gan (Simplified Han)"
• gan-Hant "Gan (Traditional Han)"
• hak-Hans "Hakka (Simplified Han)"
• hak-Hant "Hakka (Traditional Han)"
• hak-Latn "Hakka (Latin)"
• hsn "Xiang"
• lzh "Literary Chinese"
• nan-Hant "Hokkien (Traditional Han)"
• nan-Latn-pehoeji "Hokkien (Pe̍h-ōe-jī)"
• nan-Latn-tailo "Hokkien (Tâi-lô)"
• wuu-Hans "Wu (Simplified Han)"
• wuu-Hant "Wu (Traditional Han)"
• yue-Hans "Cantonese (Simplified Han)"
• yue-Hant "Cantonese (Traditional Han)"
• zh-Hans "Chinese (Traditional Han)"
• zh-Hans-SG "Chinese (Traditional Han, Singapore)"
• zh-Hant "Chinese (Traditional Han)"
• zh-Hant-HK "Chinese (Traditional Han, Hong Kong)"
• zh-Latn-CN "Chinese (Hanyu Pinyin, Mainland China)"
• zh-Latn-TW-pinyin "Chinese (Hanyu Pinyin, Taiwan)"
• zh-Latn-TW-tongyong "Chinese (Tongyong Pinyin, Taiwan)"
• zh-Latn-TW-wadegile "Chinese (Wade–Giles, Taiwan)"

Screenshots

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Additional context

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